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// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. ClickHouse, Inc. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package clickhouse

import (
	"context"
)

// jwtAuthMarker is the marker for JSON Web Token authentication in ClickHouse Cloud.
// At the protocol level this is used in place of a username.
const jwtAuthMarker = " JWT AUTHENTICATION "

type GetJWTFunc = func(ctx context.Context) (string, error)

// useJWTAuth returns true if the client should use JWT auth
func useJWTAuth(opt *Options) bool {
	return opt.GetJWT != nil
}
